Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 3352 more...
- ItemBB017938 - Northern Pacific Engineering Drawing: Shop Plan - Span Plate/Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017939 - Northern Pacific Engineering Drawing: Shop Plan - Span Plate/Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017940 - Northern Pacific Engineering Drawing: Shop Plan - Span Plate/Girder, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017941 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017942 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017943 - Northern Pacific Engineering Drawing: Detail of Bents/Railing, Bridge 0.10 - Cedar Street, Spokane, Washington, 1915
- ItemBB017944 - Northern Pacific Engineering Drawing: Cedar Street Abutments, Bridge 0.10 - Cedar Street, Spokane, Washington, undated
- ItemBB017945 - Northern Pacific Engineering Drawing: Slabs for Cedar Street, Bridge 0.10 - Cedar Street, Spokane, Washington, undated
- ItemBB017946 - Northern Pacific Engineering Drawing: Slab Detail/Bill Rods, Bridge 0.10 - Cedar Street, Spokane, Washington, undated
- 4367 more...